Home / 690,581.88-1,035,872.82-651,598.20

Finding the Fourth Proportional to 690,581.88, 1,035,872.82 and 651,598.20

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Solution

The fourth proportional to 690,581.88, 1,035,872.82 and 651,598.20 is: 977,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,581.88 : 1,035,872.82 = 651,598.20 : x
  2. Step 2: Convert to fraction form
    690,581.88/1,035,872.82 = 651,598.20/x
  3. Step 3: Cross multiply
    690,581.88x = 1,035,872.82 × 651,598.20
  4. Step 4: Simplify right side
    690,581.88x = 674,972,864,940.92
  5. Step 5: Solve for x
    x = 674,972,864,940.92/690,581.88
  6. Step 6: Final answer
    x = 977,397.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.